<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>列表排序</title>
    <!--引入Vue-->
    <script type="text/javascript" src="../js/vue.js"></script>
</head>
<body>
<!--准备好一个容器-->
<div class="root">
    <h1>人员列表-遍历数组</h1>
    <input type="text" placeholder="请输入查询字符" v-model="keyword">
    <button @click="sortType=1">年龄升序</button>
    <button @click="sortType=2">年龄降序</button>
    <button @click="sortType=0">原顺序</button>
    <ul>
        <li v-for="(p) in filPersons" :key="p.id">
            {{p.name}}-{{p.age}}-{{p.sex}}
        </li>
    </ul>
    <hr/>

</div>


<script type="text/javascript">
    Vue.config.productionTip = false //阻止Vue在启动时生成生成提示

    new Vue({
        el: '.root',
        data: {
            keyword: '',
            sortType:0,
            persons: [
                {id: '001', name: '马冬梅', age: 27, sex: '女'},
                {id: '002', name: '周冬雨', age: 25, sex: '女'},
                {id: '003', name: '周杰伦', age: 20, sex: '男'},
                {id: '004', name: '温兆伦', age: 21, sex: '男'}
            ],
        },
        computed:{
            filPersons() {
                return this.persons.filter((p)=>{
                    return p.name.indexOf(this.keyword)!=-1;
                }).sort((p1,p2)=>{
                    return this.sortType ==0?null:this.sortType==1?p1.age-p2.age:p2.age-p1.age;
                });
            }
        },

    })
</script>
</body>
</html>